26379164091 has 16 divisors (see below), whose sum is σ = 40490233344. Its totient is φ = 14963778624.

The previous prime is 26379164059. The next prime is 26379164111. The reversal of 26379164091 is 19046197362.

It is not a de Polignac number, because 26379164091 - 2⁵ = 26379164059 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26379164091.

It is not an unprimeable number, because it can be changed into a prime (26379164191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4581615 + ... + 4587368.

It is an arithmetic number, because the mean of its divisors is an integer number (2530639584).

Almost surely, 2^26379164091 is an apocalyptic number.

26379164091 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

26379164091 is a deficient number, since it is larger than the sum of its proper divisors (14111069253).

26379164091 is a wasteful number, since it uses less digits than its factorization.

26379164091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9169130.

The product of its (nonzero) digits is 489888, while the sum is 48.

The spelling of 26379164091 in words is "twenty-six billion, three hundred seventy-nine million, one hundred sixty-four thousand, ninety-one".